Optical isomers, basic properties

At an early stage of the development, the structural information was rather fragmentary. Nowadays, however, the accumulation of structural data for isomers has enabled us to understand structural principles and the optical properties of chelate complexes in considerable detail. In this connection, column chromatography on SP Sephadex has played an important role in the separation of isomers of coordination compounds (2). In view of the large number of structures, a few basic series of structures will be taken up and discussed. 

---